Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/11 Oct/Nov 2013 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, Oct/Nov 2013: the question paper and its official mark scheme, 40 questions. Free to open, no account needed.
- Questions
- 40
- Marks
- –
File names: 5070_w13_qp_11 · 5070_w13_ms_11
Topics in this paper
Which syllabus chapters 5070/11 Oct/Nov 2013 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/11 Oct/Nov 2013
- Question 1
Which process provides the best evidence for the particle theory of matter? A dehydration B diffusion C filtration D neutralisation
- Question 2
The results of two tests on a solution X are shown. reagent added few drops an excess aqueous sodium hydroxide white precipitate precipitate dissolves aqueous ammonia white precipitate precipitate remains Which ion is present in solution X? A Al 3+ …
- Question 3
A student wanted to follow how the rate of the reaction of sodium sulfite with acid varies with time. The reaction produces gaseous sulfur dioxide. Which apparatus is not suitable? tap funnel sodium sulfite and acid tap funnel sodium sulfite …
- Question 4
The apparatus shown is used to distil a dilute solution of ethanol in water. [B.P.: ethanol, 78 °C; water 100 °C] heat boiling flask fractionating column thermometer water in water out mixture of ethanol and water Which graph shows the …
- Question 5
Aqueous silver nitrate is added to separate solutions of potassium chloride and sodium iodide. What are the colours of the precipitates formed? colour of precipitate formed with chloride colour of precipitate formed with iodide A white white B white yellow …
- Question 6
Which substance will not conduct electricity at room temperature and pressure? A dilute nitric acid B graphite C mercury D sodium chloride
- Question 7
Which diagram correctly shows the arrangement of the ions in solid sodium chloride? A Cl – Cl – Cl – Cl – Na+ Na+ Na+ Na+ B Na+ Na+ Cl – Cl – Na+ Na+ Cl – Cl – C …
- Question 8
The diagram shows the electrolysis of aqueous sodium chloride and of molten sodium chloride. copper wire aqueous sodium chloride molten sodium chloride graphite electrodes Which substance in the diagram has both positive ions and mobile electrons? A aqueous sodium chloride …
- Question 9
Which statement describes the conversion of magnesium atoms to magnesium ions? A The change is reduction, because there has been a gain of electrons. B The change is oxidation, because there has been a loss of electrons. C The change …
- Question 10
The diagram shows the structural formula of the covalent molecule hydrazine, …
- Question 11
Sodium hydrogencarbonate decomposes on heating. 2NaHCO3 → Na2CO3 …
- Question 12
Nitrogen and oxygen react according to the equation. …
- Question 13
Which statement about the four gases carbon dioxide, CO2, hydrogen, H2, oxygen, O2 and ozone, O3 is correct? A One mole of each gas occupies the same volume at a given temperature and pressure. B Ozone has the fastest rate …
- Question 14
When dilute sulfuric acid is electrolysed between inert electrodes, which statements are correct? 1 Hydrogen is released at the negative electrode. 2 Oxygen is released at the positive electrode. 3 Sulfur dioxide is released at the positive electrode. 4 The …
- Question 15
When electrolysed using inert electrodes, which dilute solution would produce the greatest increase in mass of the cathode? [Ar: Al, 27; Cu, 64; Pb, 207; Ag, 108] A aluminium sulfate B copper(II) sulfate C lead nitrate D silver nitrate inert …
- Question 16
The formation of liquid water from hydrogen and oxygen is thought to occur in three stages. …
- Question 17
When bismuth(III) chloride, BiCl 3, is added to water, a white precipitate of BiOCl is formed. BiCl 3(aq) + H2O(l) BiOCl (s) + 2HCl (aq) If this reversible reaction is at equilibrium and hydrochloric acid is added, what will happen? …
- Question 18
Which colour change occurs when ethanol is added to a small quantity of warm, acidified potassium dichromate(VI)? A orange to colourless B orange to green C purple to colourless D purple to green
- Question 19
Sulfur and selenium, Se, are in the same group of the Periodic Table. From this, we would expect selenium to form compounds having the formulae A Se2O, Na2Se and NaSeO4. B SeO2, Na2Se and NaSeO4. C SeO2, Na2Se and Na2SeO4. …
- Question 20
When the product of a reaction between two gases is added to water, a solution of pH7 is formed. Which could be these gases? A hydrogen and chlorine B hydrogen and nitrogen C hydrogen and oxygen D oxygen and carbon …
- Question 21
When pure gas X was passed through the apparatus shown, the copper(II) oxide turned pink and the limewater stayed colourless. heat X copper(II) oxide ice colourless liquid formed colourless gas limewater water What is gas X? A carbon dioxide B …
- Question 22
Which reagent is added to aqueous potassium chloride to prepare lead chloride? A aqueous lead nitrate B lead C lead carbonate D lead sulfate
- Question 23
Which change in the properties of the halogens is not correct? chlorine → bromine → iodine A darker in colour B decrease in melting point C decrease in rate of diffusion D increase in density
- Question 24
W, X and Y are elements in the same period of the Periodic Table. ● X forms compounds of formulae XCl 2 and XCl …
- Question 25
The diagram shows the structure of an alloy. Which statement about alloys is correct? A Alloys can only be formed by mixing copper or iron with other metals. B High carbon steel alloys are soft and easily shaped. C In …
- Question 26
The metals iron, lead and zinc can be manufactured by the reduction of their oxides with coke. What is the correct order of the ease of reduction of the metal oxides? oxides become more difficult to reduce A iron → …
- Question 27
Aluminium is manufactured by the electrolysis of molten aluminium oxide. Which gas is not formed during this process? A carbon dioxide B carbon monoxide C oxygen D sulfur dioxide
- Question 28
Which diagram correctly illustrates the conditions necessary for the rusting of iron and also the metal that can be used to prevent rusting by sacrificial protection? O2 only copper iron A O2 only magnesium iron …
- Question 29
Metals usually occur in their ore combined with another element. Which metal is least likely to occur combined with another element? A aluminium B calcium C magnesium D silver
- Question 30
The noble gases, argon, helium, krypton and xenon, are present in air. Which noble gas is present in the largest proportion? A argon B helium C krypton D xenon
- Question 31
The following stages happen during eutrophication. 1 increase in growth of algae 2 increase in nitrate concentration 3 death of aquatic plants 4 decrease in dissolved oxygen In which order do these stages occur? …
- Question 32
Which gas will react with ozone in the upper atmosphere of the Earth? A CF2Cl 2 B CH4 C CO2 D SO2
- Question 33
Iron is extracted from iron ore in a blast furnace. Which solid substances are fed into the top of the blast furnace? 1 coke 2 cryolite 3 limestone …
- Question 34
The diagram shows a simplified structure of a fat. H2C CH3 …
- Question 35
The solubility of the carboxylic acids in water decreases as the size of the carboxylic acid molecules increases. Which carboxylic acid is the least soluble in water? A butanoic acid B ethanoic acid C methanoic acid D propanoic acid
- Question 36
Poly(ethene) is the addition polymer formed from the monomer ethene. Which statement is correct? A Poly(ethene) can be disposed of by burning – this produces carbon dioxide and water. B Poly(ethene) decolourises bromine water. C Poly(ethene) has the empirical formula …
- Question 37
The diagram shows the fractionation of crude oil. crude oil fraction …
- Question 38
In the manufacture of ethanoic acid, the chemical industry uses the following sequence of reactions. …
- Question 39
Esters are formed when an alcohol reacts with a carboxylic acid. Which ester would be formed using the carboxylic acid and alcohol shown? …
- Question 40
Which equation represents a combustion reaction? …
Other Chemistry papers from Oct/Nov 2013
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